Home / 85,208.86-127,808.60-26,044.50

Finding the Fourth Proportional to 85,208.86, 127,808.60 and 26,044.50

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Solution

The fourth proportional to 85,208.86, 127,808.60 and 26,044.50 is: 39,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208.86 : 127,808.60 = 26,044.50 : x
  2. Step 2: Convert to fraction form
    85,208.86/127,808.60 = 26,044.50/x
  3. Step 3: Cross multiply
    85,208.86x = 127,808.60 × 26,044.50
  4. Step 4: Simplify right side
    85,208.86x = 3,328,711,082.70
  5. Step 5: Solve for x
    x = 3,328,711,082.70/85,208.86
  6. Step 6: Final answer
    x = 39,065.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.